<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>table</title>
</head>
<body>

<table border="1">
    <tr>
        <td colspan="2">1</td>
<!--        <td>2</td>-->
        <td rowspan="2">2</td>
    </tr>
    <tr>
        <td rowspan="2">3</td>
        <td>4</td>
<!--        <td>6</td>-->
    </tr>
    <tr>
<!--        <td>7</td>-->
        <td colspan="2">5</td>
<!--        <td>9</td>-->
    </tr>
</table>

</body>
</html>